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Serial printer connections are now added to output devices

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This commit is contained in:
Jaime van Kessel 2015-04-07 14:49:10 +02:00
parent c6724fcb94
commit 352d8658aa
2 changed files with 52 additions and 8 deletions
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33
USBPrinterManager.py
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@ -1,7 +1,9 @@
from UM.Signal import Signal, SignalEmitter
from UM.PluginObject import PluginObject
from . import PrinterConnection
from UM.Application import Application
from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
from UM.Scene.SceneNode import SceneNode
import threading
import platform
import glob
@ -41,11 +43,15 @@ class USBPrinterManager(SignalEmitter,PluginObject):
for serial_port in self._serial_port_list:
if self.getConnectionByPort(serial_port) is None: #If it doesn't already exist, add it
if not os.path.islink(serial_port): #Only add the connection if it's a non symbolic link
self._printer_connections.append(PrinterConnection.PrinterConnection(serial_port))
connection = PrinterConnection.PrinterConnection(serial_port)
connection.connect()
connection.connectionStateChanged.connect(self.serialConectionStateCallback)
self._printer_connections.append(connection)
for serial_port in disconnected_ports: # Close connections and remove them from list.
connection = self.getConnectionByPort(serial_port)
connection.close()
if connection != None:
connection.close()
self._printer_connections.remove(connection)
time.sleep(5) #Throttle, as we don't need this information to be updated every single second.
@ -93,7 +99,28 @@ class USBPrinterManager(SignalEmitter,PluginObject):
return True
else:
return False
def serialConectionStateCallback(self,serial_port):
connection = self.getConnectionByPort(serial_port)
if connection.isConnected():
Application.getInstance().addOutputDevice(serial_port, {
'id': serial_port,
'function': self._writeToSerial,
'description': 'Write to USB {0}'.format(serial_port),
'icon': 'print_usb',
'priority': 1
})
def _writeToSerial(self, serial_port):
for node in DepthFirstIterator(Application.getInstance().getController().getScene().getRoot()):
if type(node) is not SceneNode or not node.getMeshData():
continue
gcode = getattr(node.getMeshData(), 'gcode', False)
self.sendGCodeByPort(serial_port,gcode.split('\n'))
## Get a list of printer connection objects that are connected.
def getActiveConnections(self):
return [connection for connection in self._printer_connections if connection.isConnected()]